147
FZUS51 KBOX 130507
CWFBOX
COASTAL WATERS FORECAST FOR MASSACHUSETTS AND RHODE ISLAND
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
106 AM EDT FRI MAR 13 2026
COASTAL WATERS FROM THE MERRIMACK RIVER MA TO WATCH HILL RI OUT
TO 25 NM
ANZ200-131800-
106 AM EDT FRI MAR 13 2026
SYNOPSIS FOR MASSACHUSETTS AND RHODE ISLAND COASTAL WATERS
HIGH PRES WILL BUILD S OF THE WATERS LATE TONIGHT AND FRI. A WARM
FRONT SHOULD THEN LIFT N INTO THE WATERS FRI EVENING, FOLLOWED BY A
COLD FRONT PASSAGE EARLY SAT. HIGH PRES BUILDS OVER THE WATERS SAT
NIGHT BEFORE MOVING OFFSHORE SUN. A WARM FRONT MOVES ACROSS THE
WATERS SUN EVENING THEN A STRONG COLD FRONT WILL CROSS THE WATERS
MON NIGHT.
ANZ250-131800-
COASTAL WATERS EAST OF IPSWICH BAY AND THE STELLWAGEN BANK
NATIONAL MARINE SANCTUARY-
106 AM EDT FRI MAR 13 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 AM EDT THIS MORNING
REST OF TONIGHT
NW WINDS AROUND 20 KT WITH GUSTS UP TO 25 KT.
SEAS 4 TO 6 FT. WAVE DETAIL: NW 5 FT AT 5 SECONDS AND SE 3 FT AT
9 SECONDS.
FRI
W WINDS 15 TO 20 KT, BECOMING SW IN THE AFTERNOON. GUSTS
UP TO 25 KT. SEAS 3 TO 5 FT. WAVE DETAIL: NW 4 FT AT 5 SECONDS
AND SE 3 FT AT 9 SECONDS.
FRI NIGHT
S WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS
4 TO 6 FT. WAVE DETAIL: S 5 FT AT 5 SECONDS AND SE 2 FT AT
10 SECONDS. A CHANCE OF RAIN.
SAT
W WINDS 20 TO 25 KT WITH GUSTS UP TO 35 KT. SEAS 4 TO
6 FT. WAVE DETAIL: S 5 FT AT 6 SECONDS AND SE 2 FT AT 10 SECONDS.
A CHANCE OF RAIN IN THE MORNING.
SAT NIGHT
W WINDS 20 TO 25 KT WITH GUSTS UP TO 35 KT. SEAS
4 TO 6 FT. WAVE DETAIL: W 6 FT AT 6 SECONDS AND SE 2 FT AT
8 SECONDS.
SUN
NW WINDS 10 TO 15 KT, BECOMING E 5 TO 10 KT IN THE
AFTERNOON. GUSTS UP TO 20 KT. SEAS 2 TO 4 FT. WAVE DETAIL: N 3 FT
AT 5 SECONDS AND SE 1 FOOT AT 8 SECONDS.
SUN NIGHT
SE WINDS 15 TO 20 KT, INCREASING TO 20 TO 25 KT
AFTER MIDNIGHT. GUSTS UP TO 30 KT. SEAS 2 TO 4 FT, BUILDING TO
4 TO 6 FT AFTER MIDNIGHT. A CHANCE OF RAIN AFTER MIDNIGHT.
MON
SE WINDS 25 TO 30 KT WITH GUSTS UP TO 45 KT. SEAS 7 TO
10 FT. RAIN.
MON NIGHT
S WINDS 25 TO 30 KT WITH GUSTS UP TO 45 KT. SEAS
9 TO 12 FT. RAIN.
TUE
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 40 KT. SEAS 7 TO
10 FT. A CHANCE OF RAIN.
TUE NIGHT
W WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS
5 TO 7 FT.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ251-131800-
MASSACHUSETTS BAY AND IPSWICH BAY-
106 AM EDT FRI MAR 13 2026
REST OF TONIGHT
NW WINDS 15 TO 20 KT. SEAS 2 TO 3 FT. WAVE
DETAIL: N 3 FT AT 4 SECONDS AND SW 1 FOOT AT 8 SECONDS.
FRI
W WINDS 10 TO 15 KT, BECOMING S 15 TO 20 KT IN THE
AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: N 3 FT AT 5 SECONDS AND
SW 1 FOOT AT 8 SECONDS.
FRI NIGHT
S WINDS 20 TO 25 KT. SEAS 3 TO 5 FT. WAVE DETAIL: S
4 FT AT 5 SECONDS AND E 1 FOOT AT 11 SECONDS. A CHANCE OF RAIN.
SAT
W WINDS 20 TO 25 KT WITH GUSTS UP TO 35 KT. SEAS 3 TO
4 FT. WAVE DETAIL: W 4 FT AT 4 SECONDS AND SE 3 FT AT 6 SECONDS.
SAT NIGHT
W WINDS 20 TO 25 KT, BECOMING NW 15 TO 20 KT AFTER
MIDNIGHT. GUSTS UP TO 30 KT. SEAS 2 TO 4 FT. WAVE DETAIL: W 4 FT
AT 4 SECONDS AND SW 2 FT AT 7 SECONDS.
SUN
NW WINDS 5 TO 10 KT, BECOMING E 10 TO 15 KT WITH GUSTS UP
TO 20 KT IN THE AFTERNOON. SEAS AROUND 2 FT. WAVE DETAIL: N 2 FT
AT 5 SECONDS AND S 1 FOOT AT 8 SECONDS.
SUN NIGHT
SE WINDS 15 TO 20 KT, INCREASING TO 20 TO 25 KT WITH
GUSTS UP TO 30 KT AFTER MIDNIGHT. SEAS 2 TO 3 FT, BUILDING TO
3 TO 5 FT AFTER MIDNIGHT. A CHANCE OF RAIN AFTER MIDNIGHT.
MON
SE WINDS 25 TO 30 KT WITH GUSTS UP TO 40 KT. SEAS 5 TO
8 FT. RAIN.
MON NIGHT
S WINDS 25 TO 30 KT WITH GUSTS UP TO 40 KT. SEAS
6 TO 9 FT. RAIN.
TUE
W WINDS 20 TO 25 KT WITH GUSTS UP TO 35 KT. SEAS 5 TO
7 FT. RAIN LIKELY.
TUE NIGHT
W WINDS 20 TO 25 KT. SEAS 3 TO 5 FT.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ231-131800-
CAPE COD BAY-
106 AM EDT FRI MAR 13 2026
REST OF TONIGHT
NW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.
SEAS 3 TO 4 FT. WAVE DETAIL: N 3 FT AT 5 SECONDS AND SW 2 FT AT
8 SECONDS.
FRI
W WINDS 10 TO 15 KT, BECOMING SW IN THE AFTERNOON. GUSTS
UP TO 20 KT. SEAS 2 TO 3 FT. WAVE DETAIL: N 3 FT AT 5 SECONDS AND
SW 2 FT AT 8 SECONDS.
FRI NIGHT
S WINDS 15 TO 20 KT, BECOMING SW 20 TO 25 KT AFTER
MIDNIGHT. SEAS 2 TO 4 FT. WAVE DETAIL: S 4 FT AT 5 SECONDS AND SE
1 FOOT AT 10 SECONDS. A CHANCE OF RAIN.
SAT
W WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 3 TO
5 FT. WAVE DETAIL: W 4 FT AT 4 SECONDS AND S 4 FT AT 8 SECONDS.
SAT NIGHT
W WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. SEAS
2 TO 4 FT. WAVE DETAIL: NW 4 FT AT 5 SECONDS AND SW 3 FT AT
8 SECONDS.
SUN
N WINDS 5 TO 10 KT, BECOMING E IN THE AFTERNOON. SEAS
AROUND 2 FT. WAVE DETAIL: N 2 FT AT 5 SECONDS AND S 1 FOOT AT
8 SECONDS.
SUN NIGHT
SE WINDS 15 TO 20 KT, INCREASING TO 20 TO 25 KT WITH
GUSTS UP TO 30 KT AFTER MIDNIGHT. SEAS 2 TO 4 FT. A CHANCE OF
RAIN AFTER MIDNIGHT.
MON
SE WINDS 25 TO 30 KT WITH GUSTS UP TO 40 KT. SEAS 4 TO
6 FT. RAIN.
MON NIGHT
S WINDS 25 TO 35 KT WITH GUSTS UP TO 45 KT. SEAS
5 TO 7 FT. RAIN.
TUE
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 40 KT. SEAS 4 TO
6 FT. RAIN LIKELY.
TUE NIGHT
W WINDS 20 TO 25 KT. SEAS 3 TO 4 FT.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ254-131800-
COASTAL WATERS FROM PROVINCETOWN MA TO CHATHAM MA TO NANTUCKET MA
OUT 20 NM-
106 AM EDT FRI MAR 13 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS AFTERNOON
REST OF TONIGHT
NW WINDS 20 TO 25 KT. SEAS 5 TO 7 FT. WAVE
DETAIL: N 5 FT AT 5 SECONDS AND SW 4 FT AT 8 SECONDS. A CHANCE OF
SNOW.
FRI
W WINDS 15 TO 20 KT, BECOMING SW 10 TO 15 KT IN THE
AFTERNOON. GUSTS UP TO 25 KT. SEAS 4 TO 6 FT. WAVE DETAIL: W 5 FT
AT 7 SECONDS AND S 4 FT AT 9 SECONDS.
FRI NIGHT
S WINDS 15 TO 20 KT, INCREASING TO 20 TO 25 KT AFTER
MIDNIGHT. GUSTS UP TO 30 KT. SEAS 3 TO 5 FT, BUILDING TO 5 TO
8 FT AFTER MIDNIGHT. WAVE DETAIL: S 4 FT AT 8 SECONDS AND SW 3 FT
AT 5 SECONDS, BECOMING S 7 FT AT 7 SECONDS AND SE 2 FT AT
10 SECONDS. A CHANCE OF RAIN AFTER MIDNIGHT.
SAT
W WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT. SEAS 7 TO
10 FT. WAVE DETAIL: S 8 FT AT 10 SECONDS AND W 4 FT AT 5 SECONDS.
SAT NIGHT
W WINDS 20 TO 25 KT, BECOMING NW 15 TO 20 KT AFTER
MIDNIGHT. GUSTS UP TO 35 KT. SEAS 6 TO 9 FT, SUBSIDING TO 5 TO
7 FT AFTER MIDNIGHT. WAVE DETAIL: W 4 FT AT 5 SECONDS AND S 4 FT
AT 10 SECONDS, BECOMING NW 4 FT AT 5 SECONDS AND S 3 FT AT
9 SECONDS.
SUN
N WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT, BECOMING E
5 TO 10 KT IN THE AFTERNOON. SEAS 3 TO 5 FT, SUBSIDING TO 2 TO
3 FT IN THE AFTERNOON. WAVE DETAIL: N 3 FT AT 5 SECONDS AND S
2 FT AT 8 SECONDS, BECOMING N 2 FT AT 5 SECONDS AND S 2 FT AT
7 SECONDS.
SUN NIGHT
SE WINDS 15 TO 20 KT, INCREASING TO 20 TO 25 KT
AFTER MIDNIGHT. GUSTS UP TO 30 KT. SEAS 2 TO 4 FT, BUILDING TO
4 TO 6 FT AFTER MIDNIGHT. A CHANCE OF RAIN AFTER MIDNIGHT.
MON
SE WINDS 25 TO 30 KT WITH GUSTS UP TO 45 KT. SEAS 7 TO
10 FT. RAIN.
MON NIGHT
S WINDS 25 TO 35 KT WITH GUSTS UP TO 45 KT. SEAS
9 TO 13 FT. RAIN.
TUE
SW WINDS 25 TO 30 KT WITH GUSTS UP TO 40 KT. SEAS 8 TO
11 FT. RAIN LIKELY.
TUE NIGHT
W WINDS 25 TO 30 KT. SEAS 7 TO 10 FT.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ255-131800-
COASTAL WATERS EXTENDING OUT TO 25 NM SOUTH OF MARTHAS VINEYARD
AND NANTUCKET-
106 AM EDT FRI MAR 13 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS AFTERNOON
REST OF TONIGHT
NW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT.
SEAS 5 TO 7 FT. WAVE DETAIL: W 6 FT AT 7 SECONDS AND S 4 FT AT
9 SECONDS.
FRI
W WINDS 15 TO 20 KT, BECOMING SW 10 TO 15 KT IN THE
AFTERNOON. GUSTS UP TO 25 KT. SEAS 4 TO 6 FT. WAVE DETAIL: W 5 FT
AT 6 SECONDS AND SW 4 FT AT 9 SECONDS.
FRI NIGHT
S WINDS 20 TO 25 KT, BECOMING SW 25 TO 30 KT AFTER
MIDNIGHT. SEAS 4 TO 6 FT, BUILDING TO 6 TO 9 FT AFTER MIDNIGHT.
WAVE DETAIL: S 6 FT AT 9 SECONDS AND SW 4 FT AT 5 SECONDS,
BECOMING SW 9 FT AT 9 SECONDS AND SW 2 FT AT 4 SECONDS.
SAT
W WINDS 25 TO 30 KT WITH GUSTS UP TO 40 KT. SEAS 8 TO
11 FT. WAVE DETAIL: SW 11 FT AT 10 SECONDS AND S 3 FT AT
10 SECONDS.
SAT NIGHT
W WINDS 20 TO 25 KT WITH GUSTS UP TO 35 KT, BECOMING
NW 15 TO 20 KT WITH GUSTS UP TO 25 KT AFTER MIDNIGHT. SEAS 6 TO
9 FT, SUBSIDING TO 4 TO 6 FT AFTER MIDNIGHT. WAVE DETAIL: SW 9 FT
AT 10 SECONDS AND W 2 FT AT 5 SECONDS, BECOMING SW 6 FT AT
9 SECONDS AND NW 2 FT AT 4 SECONDS.
SUN
N WINDS 5 TO 10 KT, BECOMING E 10 TO 15 KT WITH GUSTS UP
TO 20 KT IN THE AFTERNOON. SEAS 3 TO 5 FT, SUBSIDING TO 2 TO 3 FT
IN THE AFTERNOON. WAVE DETAIL: SW 4 FT AT 8 SECONDS AND N 1 FOOT
AT 4 SECONDS, BECOMING SW 3 FT AT 7 SECONDS AND N 2 FT AT
4 SECONDS.
SUN NIGHT
SE WINDS 20 TO 25 KT, INCREASING TO 25 TO 30 KT WITH
GUSTS UP TO 35 KT AFTER MIDNIGHT. SEAS 2 TO 4 FT, BUILDING TO
4 TO 6 FT AFTER MIDNIGHT. A CHANCE OF RAIN AFTER MIDNIGHT.
MON
SE WINDS 25 TO 35 KT WITH GUSTS UP TO 45 KT. SEAS 7 TO
10 FT. RAIN.
MON NIGHT
S WINDS 30 TO 40 KT WITH GUSTS UP TO 50 KT. SEAS
10 TO 14 FT. RAIN.
TUE
SW WINDS 25 TO 30 KT WITH GUSTS UP TO 45 KT. SEAS 9 TO
13 FT. RAIN LIKELY.
TUE NIGHT
W WINDS 25 TO 30 KT. SEAS 7 TO 10 FT.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ256-131800-
COASTAL WATERS FROM MONTAUK NY TO MARTHAS VINEYARD EXTENDING OUT
TO 20 NM SOUTH OF BLOCK ISLAND-
106 AM EDT FRI MAR 13 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 AM EDT THIS MORNING
REST OF TONIGHT
NW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT.
SEAS 5 TO 6 FT. WAVE DETAIL: NW 5 FT AT 5 SECONDS AND S 5 FT AT
9 SECONDS.
FRI
W WINDS 15 TO 20 KT, BECOMING SW 10 TO 15 KT IN THE
AFTERNOON. SEAS 4 TO 6 FT, SUBSIDING TO 3 TO 4 FT IN THE
AFTERNOON. WAVE DETAIL: NW 4 FT AT 5 SECONDS AND S 4 FT AT
9 SECONDS, BECOMING SW 3 FT AT 5 SECONDS AND S 3 FT AT 9 SECONDS.
FRI NIGHT
S WINDS 20 TO 25 KT, BECOMING SW 25 TO 30 KT AFTER
MIDNIGHT. SEAS 5 TO 7 FT, BUILDING TO 7 TO 10 FT AFTER MIDNIGHT.
WAVE DETAIL: S 7 FT AT 8 SECONDS AND SW 4 FT AT 5 SECONDS,
BECOMING SW 10 FT AT 9 SECONDS AND SW 1 FOOT AT 4 SECONDS.
SAT
W WINDS 25 TO 30 KT WITH GUSTS UP TO 40 KT. SEAS 8 TO
11 FT. WAVE DETAIL: S 11 FT AT 10 SECONDS AND W 2 FT AT
5 SECONDS.
SAT NIGHT
W WINDS 20 TO 25 KT, BECOMING NW 15 TO 20 KT AFTER
MIDNIGHT. GUSTS UP TO 30 KT. SEAS 5 TO 8 FT, SUBSIDING TO 4 TO
6 FT AFTER MIDNIGHT. WAVE DETAIL: SW 8 FT AT 9 SECONDS AND NW
2 FT AT 5 SECONDS, BECOMING SW 5 FT AT 8 SECONDS AND NW 2 FT AT
4 SECONDS.
SUN
NE WINDS 5 TO 10 KT, BECOMING E 10 TO 15 KT WITH GUSTS UP
TO 20 KT IN THE AFTERNOON. SEAS 2 TO 4 FT. WAVE DETAIL: SW 3 FT
AT 7 SECONDS AND E 2 FT AT 3 SECONDS.
SUN NIGHT
SE WINDS 20 TO 25 KT, INCREASING TO 25 TO 30 KT
AFTER MIDNIGHT. SEAS 3 TO 4 FT, BUILDING TO 5 TO 7 FT AFTER
MIDNIGHT. A CHANCE OF RAIN AFTER MIDNIGHT.
MON
S WINDS 25 TO 35 KT WITH GUSTS UP TO 45 KT. SEAS 8 TO
11 FT. RAIN.
MON NIGHT
S WINDS 30 TO 40 KT WITH GUSTS UP TO 45 KT. SEAS
11 TO 14 FT. RAIN.
TUE
W WINDS 25 TO 30 KT WITH GUSTS UP TO 40 KT. SEAS 9 TO
13 FT. A CHANCE OF RAIN.
TUE NIGHT
W WINDS 25 TO 30 KT. SEAS 7 TO 10 FT.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ232-131800-
NANTUCKET SOUND-
106 AM EDT FRI MAR 13 2026
REST OF TONIGHT
NW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.
SEAS 3 TO 4 FT. WAVE DETAIL: NW 3 FT AT 5 SECONDS AND SW 2 FT AT
8 SECONDS.
FRI
W WINDS 15 TO 20 KT, BECOMING SW 10 TO 15 KT IN THE
AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: NW 3 FT AT 5 SECONDS AND
SW 2 FT AT 8 SECONDS.
FRI NIGHT
S WINDS 15 TO 20 KT, BECOMING SW 25 TO 30 KT AFTER
MIDNIGHT. SEAS 2 TO 4 FT, BUILDING TO 4 TO 6 FT AFTER MIDNIGHT.
WAVE DETAIL: S 3 FT AT 9 SECONDS AND S 2 FT AT 5 SECONDS,
BECOMING S 5 FT AT 8 SECONDS AND S 3 FT AT 5 SECONDS.
SAT
W WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT. SEAS 4 TO
6 FT. WAVE DETAIL: W 5 FT AT 5 SECONDS AND SW 4 FT AT 9 SECONDS.
SAT NIGHT
W WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT, BECOMING
NW 10 TO 15 KT WITH GUSTS UP TO 20 KT AFTER MIDNIGHT. SEAS 3 TO
5 FT. WAVE DETAIL: W 4 FT AT 4 SECONDS AND SW 3 FT AT 9 SECONDS.
SUN
N WINDS 5 TO 10 KT, BECOMING E IN THE AFTERNOON. SEAS
AROUND 2 FT. WAVE DETAIL: N 1 FOOT AT 4 SECONDS AND SW 1 FOOT AT
8 SECONDS.
SUN NIGHT
SE WINDS 15 TO 20 KT, INCREASING TO 25 TO 30 KT
AFTER MIDNIGHT. SEAS 2 TO 4 FT. A CHANCE OF RAIN AFTER MIDNIGHT.
MON
SE WINDS 25 TO 30 KT WITH GUSTS UP TO 40 KT. SEAS 5 TO
7 FT. RAIN.
MON NIGHT
S WINDS 30 TO 40 KT WITH GUSTS UP TO 45 KT. SEAS
7 TO 9 FT. RAIN.
TUE
SW WINDS 25 TO 30 KT WITH GUSTS UP TO 40 KT. SEAS 5 TO
8 FT. RAIN LIKELY.
TUE NIGHT
W WINDS 25 TO 30 KT. SEAS 4 TO 6 FT.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ233-131800-
VINEYARD SOUND-
106 AM EDT FRI MAR 13 2026
REST OF TONIGHT
NW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.
SEAS 3 TO 4 FT. WAVE DETAIL: NW 3 FT AT 5 SECONDS AND SW 3 FT AT
8 SECONDS.
FRI
W WINDS 10 TO 15 KT, BECOMING SW 15 TO 20 KT IN THE
AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: SW 3 FT AT 4 SECONDS AND
SW 3 FT AT 8 SECONDS.
FRI NIGHT
S WINDS 20 TO 25 KT, BECOMING SW 25 TO 30 KT AFTER
MIDNIGHT. SEAS 2 TO 4 FT, BUILDING TO 5 TO 7 FT AFTER MIDNIGHT.
WAVE DETAIL: S 4 FT AT 8 SECONDS AND S 3 FT AT 5 SECONDS,
BECOMING SW 7 FT AT 8 SECONDS AND S 2 FT AT 5 SECONDS.
SAT
W WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT. SEAS 5 TO
7 FT. WAVE DETAIL: SW 7 FT AT 9 SECONDS AND W 3 FT AT 4 SECONDS.
SAT NIGHT
W WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT, BECOMING
NW 10 TO 15 KT WITH GUSTS UP TO 20 KT AFTER MIDNIGHT. SEAS 4 TO
6 FT, SUBSIDING TO 2 TO 4 FT AFTER MIDNIGHT. WAVE DETAIL: SW 6 FT
AT 9 SECONDS AND W 2 FT AT 4 SECONDS, BECOMING SW 4 FT AT
8 SECONDS AND NW 2 FT AT 4 SECONDS.
SUN
N WINDS 5 TO 10 KT, BECOMING E 10 TO 15 KT WITH GUSTS UP
TO 20 KT IN THE AFTERNOON. SEAS AROUND 2 FT. WAVE DETAIL: SW 2 FT
AT 7 SECONDS AND N 1 FOOT AT 4 SECONDS.
SUN NIGHT
SE WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT,
INCREASING TO 25 TO 30 KT WITH GUSTS UP TO 35 KT AFTER MIDNIGHT.
SEAS 2 TO 3 FT, BUILDING TO 3 TO 5 FT AFTER MIDNIGHT. A CHANCE OF
RAIN AFTER MIDNIGHT.
MON
S WINDS 25 TO 35 KT WITH GUSTS UP TO 45 KT. SEAS 5 TO
8 FT. RAIN.
MON NIGHT
S WINDS 30 TO 40 KT WITH GUSTS UP TO 45 KT. SEAS
7 TO 10 FT. RAIN.
TUE
SW WINDS 25 TO 30 KT WITH GUSTS UP TO 40 KT. SEAS 6 TO
9 FT. RAIN LIKELY.
TUE NIGHT
W WINDS 25 TO 30 KT. SEAS 4 TO 6 FT.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ234-131800-
BUZZARDS BAY-
106 AM EDT FRI MAR 13 2026
REST OF TONIGHT
NW WINDS 15 TO 20 KT. SEAS 2 TO 3 FT. WAVE
DETAIL: N 2 FT AT 5 SECONDS AND SW 2 FT AT 8 SECONDS.
FRI
W WINDS 10 TO 15 KT, BECOMING SW 15 TO 20 KT IN THE
AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: SW 3 FT AT 4 SECONDS AND
SW 2 FT AT 8 SECONDS.
FRI NIGHT
S WINDS 20 TO 25 KT, BECOMING SW 25 TO 30 KT AFTER
MIDNIGHT. SEAS 2 TO 4 FT, BUILDING TO 4 TO 6 FT AFTER MIDNIGHT.
WAVE DETAIL: S 4 FT AT 8 SECONDS AND S 3 FT AT 4 SECONDS,
BECOMING SW 6 FT AT 8 SECONDS AND S 3 FT AT 5 SECONDS.
SAT
W WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT. SEAS 4 TO
6 FT. WAVE DETAIL: SW 6 FT AT 10 SECONDS AND W 4 FT AT 4 SECONDS.
SAT NIGHT
W WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT, BECOMING
NW 10 TO 15 KT WITH GUSTS UP TO 20 KT AFTER MIDNIGHT. SEAS 3 TO
5 FT, SUBSIDING TO 2 TO 3 FT AFTER MIDNIGHT. WAVE DETAIL: SW 5 FT
AT 9 SECONDS AND W 3 FT AT 4 SECONDS, BECOMING SW 3 FT AT
8 SECONDS AND NW 2 FT AT 4 SECONDS.
SUN
N WINDS 5 TO 10 KT, BECOMING SE 10 TO 15 KT WITH GUSTS UP
TO 20 KT IN THE AFTERNOON. SEAS AROUND 2 FT. WAVE DETAIL: SW 2 FT
AT 7 SECONDS AND N 1 FOOT AT 4 SECONDS.
SUN NIGHT
SE WINDS 15 TO 20 KT, INCREASING TO 25 TO 30 KT
AFTER MIDNIGHT. SEAS 2 TO 4 FT. A CHANCE OF RAIN AFTER MIDNIGHT.
MON AND MON NIGHT
S WINDS 25 TO 35 KT, INCREASING TO 30 TO
40 KT. SEAS 5 TO 8 FT. RAIN.
TUE
SW WINDS 25 TO 30 KT WITH GUSTS UP TO 40 KT. SEAS 5 TO
7 FT. A CHANCE OF RAIN.
TUE NIGHT
W WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS
3 TO 5 FT.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ235-131800-
RHODE ISLAND SOUND-
106 AM EDT FRI MAR 13 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 AM EDT THIS MORNING
REST OF TONIGHT
NW WINDS 20 TO 25 KT. SEAS 3 TO 5 FT. WAVE
DETAIL: S 5 FT AT 9 SECONDS AND W 3 FT AT 4 SECONDS.
FRI
W WINDS 15 TO 20 KT, BECOMING SW 10 TO 15 KT IN THE
AFTERNOON. SEAS 2 TO 4 FT. WAVE DETAIL: S 4 FT AT 9 SECONDS AND W
3 FT AT 4 SECONDS.
FRI NIGHT
S WINDS 20 TO 25 KT, BECOMING SW 25 TO 30 KT AFTER
MIDNIGHT. SEAS 4 TO 6 FT, BUILDING TO 5 TO 8 FT AFTER MIDNIGHT.
WAVE DETAIL: S 6 FT AT 9 SECONDS AND S 4 FT AT 5 SECONDS,
BECOMING S 8 FT AT 9 SECONDS AND SW 2 FT AT 5 SECONDS.
SAT
W WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT. SEAS 6 TO
8 FT. WAVE DETAIL: S 8 FT AT 10 SECONDS AND W 3 FT AT 5 SECONDS.
SAT NIGHT
W WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT, BECOMING
NW 10 TO 15 KT WITH GUSTS UP TO 20 KT AFTER MIDNIGHT. SEAS 5 TO
7 FT, SUBSIDING TO 3 TO 5 FT AFTER MIDNIGHT. WAVE DETAIL: SW 7 FT
AT 9 SECONDS AND W 3 FT AT 5 SECONDS, BECOMING SW 4 FT AT
8 SECONDS AND NW 2 FT AT 4 SECONDS.
SUN
N WINDS 5 TO 10 KT, BECOMING E 10 TO 15 KT WITH GUSTS UP
TO 20 KT IN THE AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: SW 3 FT
AT 8 SECONDS AND E 2 FT AT 3 SECONDS.
SUN NIGHT
SE WINDS 20 TO 25 KT, INCREASING TO 25 TO 30 KT WITH
GUSTS UP TO 35 KT AFTER MIDNIGHT. SEAS 2 TO 4 FT, BUILDING TO
4 TO 6 FT AFTER MIDNIGHT. A CHANCE OF RAIN AFTER MIDNIGHT.
MON
S WINDS 25 TO 35 KT WITH GUSTS UP TO 45 KT. SEAS 7 TO
10 FT. RAIN.
MON NIGHT
S WINDS 30 TO 40 KT WITH GUSTS UP TO 45 KT. SEAS
9 TO 12 FT. RAIN.
TUE
SW WINDS 25 TO 30 KT WITH GUSTS UP TO 40 KT. SEAS 8 TO
11 FT. A CHANCE OF RAIN.
TUE NIGHT
W WINDS 25 TO 30 KT. SEAS 5 TO 7 FT.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ237-131800-
BLOCK ISLAND SOUND-
106 AM EDT FRI MAR 13 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 AM EDT THIS MORNING
REST OF TONIGHT
NW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.
SEAS 2 TO 4 FT. WAVE DETAIL: S 4 FT AT 8 SECONDS AND W 3 FT AT
4 SECONDS.
FRI
W WINDS 10 TO 15 KT, BECOMING SW 15 TO 20 KT IN THE
AFTERNOON. SEAS 2 TO 4 FT. WAVE DETAIL: SW 3 FT AT 4 SECONDS AND
S 3 FT AT 9 SECONDS.
FRI NIGHT
S WINDS 15 TO 20 KT, BECOMING SW 20 TO 25 KT AFTER
MIDNIGHT. GUSTS UP TO 30 KT. SEAS 5 TO 7 FT. WAVE DETAIL: S 7 FT
AT 9 SECONDS AND S 3 FT AT 4 SECONDS.
SAT
W WINDS 20 TO 25 KT WITH GUSTS UP TO 35 KT. SEAS 5 TO
8 FT. WAVE DETAIL: S 7 FT AT 10 SECONDS AND W 5 FT AT 5 SECONDS.
SAT NIGHT
NW WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT,
DIMINISHING TO 10 TO 15 KT WITH GUSTS UP TO 20 KT AFTER MIDNIGHT.
SEAS 3 TO 5 FT. WAVE DETAIL: S 4 FT AT 9 SECONDS AND W 3 FT AT
5 SECONDS.
SUN
NE WINDS 5 TO 10 KT, BECOMING E 10 TO 15 KT WITH GUSTS UP
TO 20 KT IN THE AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: E 2 FT AT
3 SECONDS AND S 2 FT AT 8 SECONDS.
SUN NIGHT
SE WINDS 15 TO 20 KT, INCREASING TO 20 TO 25 KT
AFTER MIDNIGHT. GUSTS UP TO 30 KT. SEAS 2 TO 4 FT, BUILDING TO
4 TO 6 FT AFTER MIDNIGHT. RAIN LIKELY AFTER MIDNIGHT.
MON
S WINDS 25 TO 30 KT WITH GUSTS UP TO 45 KT. SEAS 7 TO
10 FT. RAIN.
MON NIGHT
S WINDS 25 TO 30 KT WITH GUSTS UP TO 45 KT. SEAS
9 TO 12 FT. RAIN.
TUE
W WINDS 20 TO 25 KT WITH GUSTS UP TO 35 KT. SEAS 7 TO
10 FT. A CHANCE OF RAIN.
TUE NIGHT
W WINDS 20 TO 25 KT. SEAS 5 TO 7 FT.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ230-131800-
BOSTON HARBOR-
106 AM EDT FRI MAR 13 2026
REST OF TONIGHT
NW WINDS 15 TO 20 KT. WAVES AROUND 2 FT.
FRI
W WINDS 10 TO 15 KT, BECOMING SW 15 TO 20 KT IN THE
AFTERNOON. WAVES AROUND 2 FT.
FRI NIGHT
S WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. WAVES
AROUND 2 FT. A CHANCE OF RAIN.
SAT
SW WINDS 20 TO 25 KT, BECOMING W 25 TO 30 KT IN THE
AFTERNOON. WAVES AROUND 2 FT.
SAT NIGHT
W WINDS 20 TO 25 KT, DIMINISHING TO 15 TO 20 KT
AFTER MIDNIGHT. GUSTS UP TO 30 KT. WAVES AROUND 2 FT.
SUN
NW WINDS 5 TO 10 KT, BECOMING E 10 TO 15 KT WITH GUSTS UP
TO 20 KT IN THE AFTERNOON. WAVES 1 FOOT OR LESS, THEN AROUND 2 FT
IN THE AFTERNOON.
SUN NIGHT
SE WINDS 15 TO 20 KT, INCREASING TO 20 TO 25 KT WITH
GUSTS UP TO 30 KT AFTER MIDNIGHT. WAVES 2 TO 3 FT. A CHANCE OF
RAIN AFTER MIDNIGHT.
MON AND MON NIGHT
S WINDS 25 TO 30 KT WITH GUSTS UP TO 40 KT.
WAVES 2 TO 3 FT, EXCEPT 4 TO 6 FT AT THE OUTER HARBOR ENTRANCE.
RAIN.
TUE
W WINDS 20 TO 25 KT WITH GUSTS UP TO 35 KT. WAVES AROUND
2 FT, EXCEPT 3 TO 5 FT AT THE OUTER HARBOR ENTRANCE. A CHANCE OF
RAIN.
TUE NIGHT
W WINDS 20 TO 25 KT. WAVES AROUND 2 FT.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ236-131800-
NARRAGANSETT BAY-
106 AM EDT FRI MAR 13 2026
REST OF TONIGHT
NW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
WAVES 2 TO 3 FT.
FRI
W WINDS 5 TO 10 KT, BECOMING SW 15 TO 20 KT IN THE
AFTERNOON. WAVES 2 TO 3 FT.
FRI NIGHT
S WINDS 15 TO 20 KT, BECOMING SW 20 TO 25 KT AFTER
MIDNIGHT. GUSTS UP TO 30 KT. WAVES 4 TO 6 FT.
SAT
W WINDS 20 TO 25 KT WITH GUSTS UP TO 35 KT. WAVES 4 TO
6 FT.
SAT NIGHT
W WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT, BECOMING
NW 5 TO 10 KT WITH GUSTS UP TO 20 KT AFTER MIDNIGHT. WAVES 2 TO
3 FT. AT THE BAY ENTRANCE, WAVES 4 TO 6 FT, SUBSIDING TO 2 TO
4 FT AFTER MIDNIGHT.
SUN
N WINDS AROUND 5 KT, BECOMING SE WITH GUSTS UP TO 20 KT IN
THE AFTERNOON. WAVES AROUND 2 FT.
SUN NIGHT
SE WINDS 10 TO 15 KT, INCREASING TO 20 TO 25 KT
AFTER MIDNIGHT. GUSTS UP TO 30 KT. WAVES 2 TO 3 FT, BUILDING TO
3 TO 5 FT AFTER MIDNIGHT. RAIN LIKELY AFTER MIDNIGHT.
MON AND MON NIGHT
S WINDS 25 TO 30 KT WITH GUSTS UP TO 45 KT.
WAVES 5 TO 8 FT. AT THE BAY ENTRANCE, WAVES 6 TO 9 FT, BUILDING
TO 8 TO 11 FT. RAIN.
TUE
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 35 KT. WAVES 5 TO
7 FT, EXCEPT 7 TO 10 FT AT THE BAY ENTRANCE. A CHANCE OF RAIN.
TUE NIGHT
W WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. WAVES
3 TO 5 FT.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
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